US3426836A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Machine for the continuous casting of slabs between bands
Assignee: Rio Tinto Switzerland AG
•
Filing: 1965-12-13
•
Granted: 1969-02-11
•
Expires: 1985-12-13
Abstract
No abstract record available.
Inventors
- 👤 Dietrich Altenpohl
- 👤 Ivan Gyongyos
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 04:02
CPC Classifications
B; B22; B22D; B22D11/00; B22D11/06; B22D11/0637; B22D11/0677
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US972433A
Cited
US1872691A
Cited
GB759301A
Cited
US2852821A
Cited
US2904860A
Cited
US3228072A
Cited
US3041686A
Cited
US3110941A
Cited
US3163896A
Cited
US3324937A
Cited
US3283368A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-02-11 | 1972-08-12 | 1973-02-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-02-11 | 1976-08-12 | 1977-02-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-02-11 | 1980-08-12 | 1981-02-11 | $7700.00 | Window Closed / Lapsed |